Home / 10,461.87-15,693.84-3,439.04

Finding the Fourth Proportional to 10,461.87, 15,693.84 and 3,439.04

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Solution

The fourth proportional to 10,461.87, 15,693.84 and 3,439.04 is: 5,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,461.87 : 15,693.84 = 3,439.04 : x
  2. Step 2: Convert to fraction form
    10,461.87/15,693.84 = 3,439.04/x
  3. Step 3: Cross multiply
    10,461.87x = 15,693.84 × 3,439.04
  4. Step 4: Simplify right side
    10,461.87x = 53,971,718.86
  5. Step 5: Solve for x
    x = 53,971,718.86/10,461.87
  6. Step 6: Final answer
    x = 5,158.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.